SolarWinds Backup - Modern server backup software
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Datto Backupify - Protect your business with backup.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Spanning Backup for Office 365 - Spanning Backup for Office 365 allows your organization to protect its critical Office 365 Mail, Calendar, OneDrive and SharePoint data. Specifically designed for Microsoft Office 365, Spanning makes backup effortless and recovery click-simple.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.